.index_navbar_li.active{
	filter:alpha(opacity=100 finishopacity=20 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=#ffdc19,endcolorstr=black,gradientType=0);
    -ms-filter:alpha(opacity=100 finishopacity=20 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=#ffdc19,endcolorstr=black,gradientType=0);/*IE8*/
    background:#ffdc19; /* 一些不支持背景渐变的浏览器 */
    background:-moz-linear-gradient(bottom, #ffdc19, rgba(0, 0, 0, 0.2));
    background:-webkit-gradient(linear, 0 0, 0 bottom, from(#ffdc19), to(rgba(0, 0, 0, 0.2)));
    background:-o-linear-gradient(bottom, #ffdc19, rgba(0, 0, 0, 0.2));
}